No Image Lot 322 Arlar model 660 Autovac filtering system. S/N 13112, equipped with 6' X 6' stainless rotary vaccum d 322Arlar model 660 Autovac filtering system. S/N 13112, equipped with 6' X 6' stainless rotary vaccum d Holland Industrial Group Arlar model 660 Autovac filtering system. S/N 13112, equipped with 6' X 6' stainless rotary vaccum drum filer with advancing knife discharge,50 HP... Add to watchlist Live